MT9042C Mitel Networks Corporation, MT9042C Datasheet - Page 19
MT9042C
Manufacturer Part Number
MT9042C
Description
Multitrunk System Synchronizer
Manufacturer
Mitel Networks Corporation
Datasheet
1.MT9042C.pdf
(28 pages)
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Advance Information
† See "Notes" following AC Electrical Characteristics tables.
AC Electrical Characteristics - Timing Parameter Measurement Voltage Levels* -
with respect to ground (VSS) unless otherwise stated.
* Supply voltage and operating temperature are as per Recommended Operating Conditions.
* Timing for input and output signals is based on the worst case result of the combination of TTL and CMOS thresholds.
* See Figure 18.
AC Electrical Characteristics - Performance
10
11
12
13
14
15
16
17
18
19
1
2
3
1
2
3
4
5
6
7
8
9
ALL SIGNALS
Threshold Voltage
Rise and Fall Threshold Voltage High
Rise and Fall Threshold Voltage Low
Freerun Mode accuracy with OSCi at:
Holdover Mode accuracy with OSCi at:
Capture range with OSCi at:
Phase lock time
Output phase continuity with:
MTIE (maximum time interval error)
Output phase slope
Reference input for Auto-Holdover with:
Characteristics
t
IRF,
Characteristics
t
Figure 18 - Timing Parameter Measurement Voltage Levels
ORF
mode switch to Holdover
mode switch to Freerun
mode switch to Normal
reference switch
1.544MHz
2.048MHz
Timing Reference Points
100ppm
100ppm
100ppm
32ppm
32ppm
32ppm
0ppm
0ppm
0ppm
8kHz
Sym
V
V
V
HM
LM
Sym
T
Schmitt
-0.05
-0.05
-0.05
-100
-230
-198
-130
-18k
-36k
-36k
Min
-32
-0
1.5
2.3
0.8
+0.05
+0.05
+0.05
+100
+230
+198
+130
+18k
+36k
+36k
Max
+32
200
200
200
600
+0
30
50
45
t
IRF,
TTL
1.5
2.0
0.8
Units
t
ppm
ppm
ppm
ppm
ppm
ppm
ppm
ppm
ppm
ppm
ppm
ppm
us/s
ORF
ns
ns
ns
ns
ns
s
5-8
5-8
5-8
1,2,4,6-8,40
1,2,4,6-8,40
1,2,4,6-8,40
1-3,6-8
1-3,6-8
1-3,6-8
1-3,6-14
1-3,6-14
1-2,4-14
1-,4,6-14
1-3,6-14
1-14,27
1-14,27
1-3,6,9-11
1-3,7,9-11
1-3,8-11
Conditions/Notes†
0.5V
0.7V
0.3V
CMOS
MT9042C
DD
DD
DD
Voltages are
V
V
V
Units
HM
LM
T
V
V
V
19